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101 changes: 101 additions & 0 deletions
101
app/src/main/java/eu/michaelvogt/ar/author/data/utils/Json.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| ARTester - AR for tourists by tourists | ||
| Copyright (C) 2018, 2019 Michael Vogt | ||
| This program is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package eu.michaelvogt.ar.author.data.utils | ||
|
|
||
| import android.content.Context | ||
| import android.util.Log | ||
| import com.google.ar.sceneform.math.Vector3 | ||
| import eu.michaelvogt.ar.author.data.* | ||
| import org.json.JSONObject | ||
|
|
||
| class Json { | ||
| companion object { | ||
| private val TAG = Json::class.java.simpleName | ||
|
|
||
| fun importLocation(context: Context?, viewModel: AuthorViewModel, location: Location, onFinished: () -> Unit) { | ||
| val assetManager = context?.assets | ||
|
|
||
| if (assetManager != null) { | ||
| val moduleId = location.moduleId.also { | ||
| when (it) { | ||
| null, "" -> { | ||
| Log.e(TAG, "Module ID of location ${location.name} is missing. Required to access content") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| val reader = assetManager.open("$moduleId.json").bufferedReader() | ||
| val contentString = reader.readText() | ||
| reader.close() | ||
|
|
||
| if (location.isLoaded == false) { | ||
| // Insert content | ||
| val locationObject = JSONObject(contentString).getJSONObject("location") | ||
| val groupArray = locationObject.getJSONArray("groups") | ||
|
|
||
| for (groupIndex in 0 until groupArray.length()) { | ||
| val groupObject = groupArray.getJSONObject(groupIndex) | ||
|
|
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| viewModel.insertTitleGroup(TitleGroup(groupObject.getString("name"))).thenAccept { groupId -> | ||
| val markersArray = groupObject.getJSONArray("markers") | ||
|
|
||
| for (markerIndex in 0 until markersArray.length()) { | ||
| val markerObject = markersArray.getJSONObject(markerIndex) | ||
|
|
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| // TODO: Load complete Marker into DB | ||
| viewModel.insertMarker(Marker(location.uId, groupId, | ||
| markerObject.getString("title"), | ||
| zeroPoint = Converters().vector3FromString(markerObject.getString("zero_point")) | ||
| ?: Vector3.zero()) | ||
| ).thenAccept { markerId -> | ||
| val areasArray = markerObject.getJSONArray("areas") | ||
|
|
||
| for (areaIndex in 0 until areasArray.length()) { | ||
| val areaObject = areasArray.getJSONObject(areaIndex) | ||
|
|
||
| // TODO: Load complete Area into DB | ||
| viewModel.insertArea(Area(areaObject.getString("title"))).thenAccept { areaId -> | ||
| viewModel.insertMarkerArea(MarkerArea(markerId, areaId)) | ||
| }.exceptionally { | ||
| Log.e(TAG, "Unable to insert area.", it) | ||
| null | ||
| } | ||
| } | ||
| }.exceptionally { | ||
| Log.e(TAG, "Unable to insert marker.", it) | ||
| null | ||
| } | ||
| } | ||
| }.exceptionally { | ||
| Log.e(TAG, "Unable to insert group", it) | ||
| null | ||
| } | ||
| } | ||
|
|
||
| location.isLoaded = true | ||
| viewModel.updateLocation(location).thenAccept { | ||
| onFinished() | ||
| } | ||
| } else { | ||
| // TODO: Update content | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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